497693685 has 16 divisors (see below), whose sum is σ = 821998080. Its totient is φ = 256873920.

The previous prime is 497693681. The next prime is 497693687. The reversal of 497693685 is 586396794.

It is a happy number.

It is not a de Polignac number, because 497693685 - 2² = 497693681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497693681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534690 + ... + 535619.

It is an arithmetic number, because the mean of its divisors is an integer number (51374880).

Almost surely, 2^497693685 is an apocalyptic number.

It is an amenable number.

497693685 is a deficient number, since it is larger than the sum of its proper divisors (324304395).

497693685 is a wasteful number, since it uses less digits than its factorization.

497693685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070348.

The product of its digits is 9797760, while the sum is 57.

The square root of 497693685 is about 22309.0493970496. The cubic root of 497693685 is about 792.4782958692.

The spelling of 497693685 in words is "four hundred ninety-seven million, six hundred ninety-three thousand, six hundred eighty-five".